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b=lm5DwTkBgFBzKQYfPE6Add3IYFy3KBou/Z3K1gwtBLA5e3NIJlZ8YKlM5dSZXAWLw p0ar57O/b3CHFdhDSiz9Tohz0IB/g0MaSJ/ZZy40+yyvca/7E0aMAVS+dVzTrRBs6S U6Uqr7nX1bE/4nvVloKHOiZgJfVuvUL4AvpPUa0eL1qLhTS+nVt4CCWaG934vvFFu8 QK3OSAV1LqKeVNvPmgxgsyYacrJvD4bTlX0TtHec9OFHo3r7UJ1Orpu6wfwGuVQHBU OVlshGb0ntCSs3wyBuOpbrp76y6japs5uRpJbOfc7XbdLYbMkLR+sxe5CkzBNBakGA LHddvzFUJiu+w== From: SeongJae Park To: Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v4 09/11] selftests/damon/_damon_sysfs: support failed region quota charge ratio Date: Thu, 9 Apr 2026 07:21:44 -0700 Message-ID: <20260409142148.60652-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260409142148.60652-1-sj@kernel.org> References: <20260409142148.60652-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: B495C40009 X-Stat-Signature: owuhsjtsf4re847cipnfs9y8t4yqu3kx X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1775744522-336324 X-HE-Meta: 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 plg0ZpI5 dlP5LzJYFy2Wzz0PwPCQH5E0WjS2LhXCyWn1xcERiU2tSDnj9wu1Ga6GZPDp3of1m6YtvcfW3CI1fKJYNm+TZjCsuYAcRXjtZtdaHElxbyRumg6d1A5V6nhAoN0rUAeH6O2I+5MUXcKmAyOEaL9L+9nJYcbaJ4V3cyDxvo9y+CBVo1p0mXHLRIiSYvp9y+/60iik3Ybd+PkVEDEw6ioKyR2l/YbotMztBrddcgmj3s8Zall+FPJEFHDm9Jv4dSxOD069HjrT3khETn0zzgKjJcrCJWE/DRf51GbzoQ9vDb9jt6kc3FqFd1U/AJbp9fvilFqhYaKG2rff3iLaI4BgidZEJl/9/s9JzDj25ps3OdzcjEpPJx4Ct75jECg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Extend _damon_sysfs.py for DAMOS action failed regions quota charge ratio setup, so that we can add kselftest for the new feature. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/_damon_sysfs.py | 21 +++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index 120b96ecbd741..8b12cc0484405 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -132,14 +132,17 @@ class DamosQuota: goals = None # quota goals goal_tuner = None # quota goal tuner reset_interval_ms = None # quota reset interval + fail_charge_num = None + fail_charge_denom = None weight_sz_permil = None weight_nr_accesses_permil = None weight_age_permil = None scheme = None # owner scheme def __init__(self, sz=0, ms=0, goals=None, goal_tuner='consist', - reset_interval_ms=0, weight_sz_permil=0, - weight_nr_accesses_permil=0, weight_age_permil=0): + reset_interval_ms=0, fail_charge_num=0, fail_charge_denom=0, + weight_sz_permil=0, weight_nr_accesses_permil=0, + weight_age_permil=0): self.sz = sz self.ms = ms self.reset_interval_ms = reset_interval_ms @@ -151,6 +154,8 @@ class DamosQuota: for idx, goal in enumerate(self.goals): goal.idx = idx goal.quota = self + self.fail_charge_num = fail_charge_num + self.fail_charge_denom = fail_charge_denom def sysfs_dir(self): return os.path.join(self.scheme.sysfs_dir(), 'quotas') @@ -197,6 +202,18 @@ class DamosQuota: os.path.join(self.sysfs_dir(), 'goal_tuner'), self.goal_tuner) if err is not None: return err + + err = write_file( + os.path.join(self.sysfs_dir(), 'fail_charge_num'), + self.fail_charge_num) + if err is not None: + return err + err = write_file( + os.path.join(self.sysfs_dir(), 'fail_charge_denom'), + self.fail_charge_denom) + if err is not None: + return err + return None class DamosWatermarks: -- 2.47.3